Heavy Rain and Mountain Snow For the West Coast; Lake Effect Snow in the Great Lakes

A series of Pacific storms will deliver multiple rounds of heavy rain and mountain snow Wednesday into the Thanksgiving holiday weekend. There is an elevated concern for flash flooding, mudslides and debris flows near wildfire burn scars in California. A weak storm system will cross the Great Lakes Wednesday with accumulating Lake Effect snow.
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For More Weather Information:

Seattle, WA Local Forecast Office

22NM SSW Seattle WA

Marine Point Forecast

[NOTICE]
  • Tonight

    Chance Rain

    Winds IncreasingSSW 8km/h
    < 1m
  • Wednesday

    Rain

    S 11km/h
    < 1m
  • Wednesday
    Night

    Rain

    S 11km/h
    < 1m
  • Thanksgiving
    Day

    Rain

    SSE 23km/h
    < 1m
  • Thursday
    Night

    Rain Likely

    S 27km/h
    1m
  • Friday

    Rain Likely

    SSW 18km/h
    < 1m
  • Friday
    Night

    Rain Likely

    SSW 13km/h
    < 1m
  • Saturday

    Mostly Sunny

    S 11km/h
    < 1m
  • Saturday
    Night

    Chance Rain

    S 11km/h
    < 1m

Associated Zone Forecast which includes this point

Last Update: 2:09 pm PST Nov 20, 2018
Forecast Valid: 6pm PST Nov 20, 2018-6pm PST Nov 27, 2018

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Detailed Forecast


Synopsis: PZZ100-210800- 248 PM PST Tue Nov 20 2018 .Synopsis for the northern and central Washington coastal and inland waters...South to southeast flow will increase tonight as a front approaches from the west. This system will split and weaken as it moves inland on Wednesday night. A stronger Pacific frontal system will impact the region on Thursday with gales possible. The flow will remain onshore through the weekend. $$

Tonight
Variable winds less than 5 km/h becoming SSW 5 to 8 km/h after midnight. A chance of rain after 4am. Wind waves 1 m or less.
Wednesday
WNW wind 5 to 11 km/h becoming S in the afternoon. Rain, mainly after 10am. Wind waves 1 m or less.
Wednesday Night
S wind around 11 km/h becoming SW after midnight. Rain, mainly before 10pm. Wind waves 1 m or less.
Thanksgiving Day
SSE wind 13 to 23 km/h. Rain, mainly after 10am. Wind waves 1 m or less.
Thursday Night
S wind 24 to 27 km/h, with gusts as high as 37 km/h. Rain likely. Wind waves around 1 m.
Friday
SSW wind 13 to 18 km/h. Rain likely. Wind waves 1 m or less.
Friday Night
SSW wind 10 to 13 km/h. Rain likely. Wind waves 1 m or less.
Saturday
S wind around 11 km/h. Mostly sunny. Wind waves 1 m or less.
Saturday Night
S wind around 11 km/h. A chance of rain. Wind waves 1 m or less.

*Notices:

  1. This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
  2. The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.
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ABOUT THIS FORECAST

Point Forecast: 47.28°N 122.54°W
Last Update: 2:09 pm PST Nov 20, 2018
Forecast Valid: 6pm PST Nov 20, 2018-6pm PST Nov 27, 2018
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